// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_QUIC_TEST_TOOLS_QUIC_SESSION_PEER_H_
#define NET_QUIC_TEST_TOOLS_QUIC_SESSION_PEER_H_

#include <stdint.h>

#include <map>

#include "base/macros.h"
#include "net/quic/quic_protocol.h"
#include "net/quic/quic_session.h"
#include "net/quic/quic_write_blocked_list.h"

namespace net {

class QuicCryptoStream;
class QuicHeadersStream;
class QuicSession;
class QuicSpdyStream;
class ReliableQuicStream;

namespace test {

    class QuicSessionPeer {
    public:
        static QuicStreamId GetNextOutgoingStreamId(QuicSession* session);
        static void SetNextOutgoingStreamId(QuicSession* session, QuicStreamId id);
        static void SetMaxOpenIncomingStreams(QuicSession* session,
            uint32_t max_streams);
        static void SetMaxOpenOutgoingStreams(QuicSession* session,
            uint32_t max_streams);
        static QuicCryptoStream* GetCryptoStream(QuicSession* session);
        static QuicWriteBlockedList* GetWriteBlockedStreams(QuicSession* session);
        static ReliableQuicStream* GetOrCreateDynamicStream(QuicSession* session,
            QuicStreamId stream_id);
        static std::map<QuicStreamId, QuicStreamOffset>&
        GetLocallyClosedStreamsHighestOffset(QuicSession* session);
        static QuicSession::StreamMap& static_streams(QuicSession* session);
        static std::unordered_set<QuicStreamId>* GetDrainingStreams(
            QuicSession* session);
        static void ActivateStream(QuicSession* session, ReliableQuicStream* stream);

        // Discern the state of a stream.  Exactly one of these should be true at a
        // time for any stream id > 0 (other than the special streams 1 and 3).
        static bool IsStreamClosed(QuicSession* session, QuicStreamId id);
        static bool IsStreamCreated(QuicSession* session, QuicStreamId id);
        static bool IsStreamAvailable(QuicSession* session, QuicStreamId id);
        static bool IsStreamUncreated(QuicSession* session, QuicStreamId id);

    private:
        DISALLOW_COPY_AND_ASSIGN(QuicSessionPeer);
    };

} // namespace test

} // namespace net

#endif // NET_QUIC_TEST_TOOLS_QUIC_SESSION_PEER_H_
